from random import *

opr=['+','-','*','/']
fuhao = ['>','<','>=','<=']

def suiji() -> str:
    op = choice(opr)
    num=randint(0,50)
    s = op + str(num)
    return s
s = ""
for i in range(3):
    s = "(" + s
    if i == 0:
        s += 'x'
    s += suiji() + ")"
s += choice(fuhao) + str(randint(0,100))
print(s)